All The Americas articles – Page 6
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NewsStudy maps main genes involved in immune response to infection by dengue virus
Researchers compared data for the immune response induced by natural infection and vaccines. They identified the key factors in the development of long-lasting immunity.
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CareersLaboratorio Calidad de Aguas
The Water Quality Laboratory of the National University of Salta, founded by Dr Mónica Salusso and Dr. Liliana Moraña, is going from strength to strength - but faces challenges posed by major budget cuts to science and research in Argentina.
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NewsStudy reveals how the chikungunya virus deploys multiple organ attack and leads to death
An international team including virologists, physicians, epidemiologists, clinicians, physicists and statisticians has discovered new mechanisms related to central nervous system infection in fatal cases of the infection
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NewsNew dual therapeutic strategy shows promise against multidrug-resistant salmonella
A new collaborative study discloses the discovery and application of a new therapeutic strategy to target the multidrug-resistant bacterium Salmonella enterica in vivo, with promising results. The results were published in Scientific Reports. Source: CDC/ Antibiotic Resistance Coordination and Strategy Unit Medical illustration of drug-resistant, nontyphoidal Salmonella sp. ...
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NewsResearch reveals novel herpesvirus in South American pinnipeds
Scientists detected Otariid gammaherpesvirus 1 (OtGHV1) in free-ranging South American pinnipeds, and a novel herpesvirus Otariid gammaherpesvirus 8 (OtGHV8) in South American sea lions (Otaria byronia) in the Southern Hemisphere.
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NewsStudy explains how a fungus can control an extremely harmful pest
The research was conducted at SPARCBio, a center established by FAPESP and biological control company Koppert at the University of São Paulo’s Luiz de Queiroz College of Agriculture.
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NewsNanoparticles containing lupeol treat visceral leishmaniasis with scant side effects
In animal tests conducted at São Paulo State University (UNESP), the strategy reduced spleen and liver parasite numbers by 99.9%.
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NewsRare case of opossum infected by rabies sounds alarm for urban environments
The opossum was found dead in a park in the center of Campinas, a large city in São Paulo state (Brazil), with the same viral variant as fruit-eating bats. These mammals are regularly detected in cities, where they are often attacked by dogs.
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NewsDrought may drive deadly amphibian disease by disrupting skin microbiome
Progressively severe droughts are disrupting the microbiomes of the thumbnail-sized orange frogs, potentially leaving them vulnerable to a deadly fungal disease, according to a new study by an international research team.
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NewsResearch links prison time with increase of TB
New research finds that being in prison or being a former prisoner is responsible for high rates of multidrug resistant (MDR) TB.
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NewsFungal infection acquired during surgery led to death and brainstem, blood supply injuries
A life-threatening mold infection known as health care-associated Fusarium solani meningitis can be associated with a delayed, but devastating, injury to the brainstem and its blood supply among those infected, according to physicians.
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NewsPrior zika infection increases risk of subsequent severe dengue and hospitalization
A study suggests that the mechanism that exacerbates dengue infection following a case of zika differs from that acting on second-time dengue patients. The finding is relevant to the development of a zika vaccine.
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NewsDengue vaccine protects 79.6% of those vaccinated, study shows
The single-dose Butantan-DV dengue vaccine prevents development of the disease in 79.6% of those vaccinated, according to a new study.
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NewsFungal disease endangers wheat production as climate change bites
Researchers have shown that further spread of the fungal disease wheat blast could reduce global wheat production by 13% until 2050. The result is dramatic for global food security.
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NewsSyphilis-like diseases were already widespread in America before the arrival of Columbus
Researchers at the Universities of Basel and Zurich have discovered the genetic material of the pathogen Treponema pallidum in the bones of people who died in Brazil 2,000 years ago. Source: Photo: Dr. Jose Filippini Skeleton at the site in Jubuicabeira II, Brazil. This is the oldest ...
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NewsCyanobacteria blooms intensify in Argentinian reservoirs
Research reveals cyanobacteria blooms have become more intense in Argentinian reservoirs, with positive records of cyanotoxins observed only in the last four years of the study period.
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NewsScientists address debates on postbiotic definition with new paper
A frequent misunderstanding is why microbially-produced metabolites do not qualify as postbiotics.
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NewsCases of chikungunya and zika fall in Brazil, but most risk clusters rise
Researchers observed spatial and temporal patterns of occurrence and co-occurrence for the two arboviral diseases in all Brazilian municipalities, alongside the influence of environmental and socio-economic factors.
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NewsPeople in prison are at very high risk of tuberculosis, even years after release
A study in Paraguay evaluates tuberculosis incidence during and after incarceration in a cohort of nearly 3,000 people.
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NewsPredominantly plant-based or vegetarian diet linked to 39% lower odds of COVID-19
A predominantly plant-based or vegetarian diet is linked to 39% lower odds of COVID-19 infection, finds new research.